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Selenium IDE vs TestMu AI: catalog facts
Selenium IDE	TestMu AI
Free Free and open source.	Freemium Free to start, with paid plans for more testing capacity.
Browser extension, Command line	Web, Command line
Record and playback with no setup beyond the extension Multiple locators per element for more resilient tests	Online Selenium grid with documentation for many test frameworks CI and team integrations including Jenkins, GitHub and Slack
Recorded tests can need manual editing as sites change Limited to web applications	Cloud service that needs an account and a connection Recent focus on AI agents may add features individual testers do not need
Browser extension	Web application, Hosted service
Open source	Closed source
License: Apache-2.0	License not stated
No account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.